package com.atguigu.tingshu.album.api;

import com.atguigu.tingshu.album.config.MinioConstantProperties;
import com.atguigu.tingshu.common.result.Result;
import com.qcloud.cos.transfer.MultipleFileUpload;
import io.minio.BucketExistsArgs;
import io.minio.MakeBucketArgs;
import io.minio.MinioClient;
import io.minio.PutObjectArgs;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.apache.commons.io.FilenameUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.util.UUID;

@Tag(name = "上传管理接口")
@RestController
@RequestMapping("api/album")
public class FileUploadApiController {

    @Autowired
    private MinioConstantProperties minioConstantProperties;

    //api/album/fileUpload post
    @PostMapping("fileUpload")
    public Result<String> fileUpload(MultipartFile file ) throws Exception{
        //声明一个url地址
        String url = "";
        //初始化minio客户端
        MinioClient minioClient = MinioClient.builder()
                .endpoint(minioConstantProperties.getEndpointUrl())
                .credentials(minioConstantProperties.getAccessKey(), minioConstantProperties.getSecretKey())
                .build();
        //判断桶是否存在
        boolean found = minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioConstantProperties.getBucketName()).build());

        if (!found){
            //如果不存在则创建
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioConstantProperties.getBucketName()).build());
        }else {
            //这个桶已经存在
            System.out.println("Bucket" +minioConstantProperties.getBucketName()+"already exists.");
        }
        //生成文件名
        String fileName =  UUID.randomUUID().toString().replaceAll("-","")+"."+ FilenameUtils.getExtension(file.getOriginalFilename());

        //调用上传方法
        minioClient.putObject(
                PutObjectArgs.builder()
                        .bucket(minioConstantProperties.getBucketName())
                        .object(fileName)
                        .stream(file.getInputStream(), file.getSize(), -1)
                        .contentType(file.getContentType())
                        .build());
        //拼接url
        url = minioConstantProperties.getEndpointUrl()+"/"+minioConstantProperties.getBucketName()+"/"+fileName;
        System.out.println(url);
        return Result.ok(url);
    }


}
